296 



INDEX OF GENERA AND SPECIES. 



Page. 



Himautidiiiiii ;ii ciin 22!) 



Uinuites 210 



crasHa 31(i 



crassis 49 



giganlous 49 



Hipponyx borealis 21 



pygmaja 221 



Hippurites 209, 210 



Hiatus 210 



plicatiis 3iO 



syiiacus ^09 



Holaster 20C 



comancheai 243 



bimplox 33S 



8yriacu8 306 



Holectypus planatus 1:233, 255 



Holopea 39 



(Cyclora) nana 67 



(iHoueuia) depressa. 39 



Holostomata 264 



Homala 100 



Hotnalina 100 



Homocrinus 91 



angustatus 64, 91 



Hoiraomya 98 



Huionia annulata tiSii 



vertebi alls 232 



Hy^lina 106, 161 



? evansl 106, 161, 169 



? occidentalis 106, 161f 169 



Hy bocrinus 55 



? incurvus 55 



Hydreiuoorinus 121 



verrucosus ItJl 



Hydrobia 106, 137, 162 



antbonii 221 



anthony 1 106, 162, 170 



?eulimoidc8 107, 162, 170 



lecta 137, 170 



subconica 107, 1 62, 170 



utahensis 137, 169 



warrenana 106, 162, 170 



Hydrozoa 126, 129 



Hyolithes 126, 129, 189, 191, 195, 198, 199 



? 195 



acadica 198 



(Camarofchoca) emmonsi 199 



<!arbonaria 198 



danianus 198 



iiiicmac 198 



prlraordialu.s 12(), 1 29, 189 



shaleri 199 



vanuxemi 191 



Hyiidella 105 



Idonearca 98, 134, 263, 267, 270 



antrosa 267 



<;<inipiessiro8ti-a tJ70 



lui'.dians 370 



.sliuniarili 263 



tippaiia 267 



vulgaris 267 



Igoccras 40 i 



JJhruurus 19J. 



Page. 



Illu'uuruH ourokeusis 191 



1 lla-nus 36, 55, 80, 91 , 186 



(Biimastus) gral'toncnsis 65, 91 



insignis 80 



crassicauda 55 



iudeterminatus 1 86 



milleri 186 



taiirus 55 



trentonensis ? 248 



IncertiB sedes 261 



Inoceramus 29,30,93,95, 97, 111, 127,133,136, 



143, 207, 208, 209, 218, 245, 253,263, 267 



? 92,231 



(Actinoceramus) costellatne ... 47 



alius ,70, 263 



aratus 408 



aviculoides iJl 



balchii 'il 



barabini 92, 134, 263, 267, 274 



(Catillus) balchii 97 



convexus 97 



cripsii ?, var. subconi- 



pressus 97 

 barabini 97 



incnrvatus 97 



proximus 97 



?, var. sub- 

 circularis 97 

 sagensis, var. nebras- 



censis 97 



subla'vis 97 



tenuilincatus 97 



tenuirostris 97 



undabundus 97 



vanuxemi 97 



conradi 13 



confertim-annulatus 218, 253, 255 



convexus 13 



crassalatus 133 



cripsii 218,274 



? 245 



var. subundatus 92 



cuneatus !il 



defonnis Ill, 134 



depressus 134 



dimidins 137,134 



elevatus 309 



erectus Ill 



exogy roidcs S89 



flaccidus 134 



fragilis 13,93,133,263,274 



gilberti 136, 143 



bowolli 136, 143 



(Inoceramus) altus 



fragilis 



incurvus 



leronxi 



l.vn('Iiii 



(Mytiloides) problematicus 



aviculoides . 



mytilopsis 



nobrascensis 



? obli(iiia 



oblongns 



97 



97 



16 



343 



307 



97 



98 



318 



350 



30 



143 



